Physiology III Neuroscience - Cranial Nerves for Exam 1

Nerve and #	Exit location	Peripheral Structure it innervates	Sensory Motor Mixed	Nucleus and location
V Trigeminal	Pons	Sensory – face, meninges Motor – jaw movements	Mixed	Trigeminal motor – pons Spinal nucleus – midbrain, pons and medulla
VII Facial	Pons	Sensory – Taste, skin of external ear Motor – Muscles of facial expression, lacrimal glands	Mixed	Spinal nucleus of V(trigeminal) –pons Superior salvitory nucleus –pons Solitary
VIII Vestibulocochlear	Pons	Sensory – Inner ear, balance, hearing	Sensory	Vestibular –pons, medulla Cochlear – pons, medulla
IX Glossopharyngeal	Medulla	Sensory – ear, meninges, pharynx, inner ear, carotid bodies and sinus, taste, post. Tongue Motor – parotid gland, pharynx	Mixed	Inf. Salvitory nucleus – pons Solitary- medulla Trigeminal – midbrain, pons and medulla Ambiguous Spinal nucleus of V
X Vagus	Medulla	Sensory – skin or ear, meninges, aortic arch, larynx, trachea, gut, post taste buds Motor – gut to proximal colon, palate, pharynx, larynx	Mixed	Dorsal motor Solitary – medulla Ambiguous Trigeminal Spinal nucleus of V
XI Spinal accessory	Medulla	Motor – Sternocleidomastoid, trapezius	Motor	Ambiguous Spinal accessory – caudal medulla and spinal cord
XII Hypoglossal	Medulla	Motor – Tongue	Motor	Hypoglossal - medulla

Physiology III Neuroscience Cranial Nerves for Exam 1